Space-Time Limits in Acoustic Signal Processing
Philip L. Stocklin · The Journal of the Acoustical Society of America · 1961
Basic physical limitations of the quality and complexity of decisions, imposed by the volume, bandwidth, and time available for processing the acoustic field, are developed. Markov-Gauss space-time noise-probability density functions, together with several states of knowledge concerning signal waveform and wave front, are used to illustrate decibel departures of optimum minimum-average-risk space-time processors, from pattern formation and correlation processing. Volume, bandwidth, and time are related to each other and to possible processing gain. Sensitivity of both the decibel differences and these relationships to signal and noise states of knowledge is discussed.